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I originally posted this in the real estate forum. But then I was thinking this really is a house issue and maybe I can find somebody with experience.
Had a home that I am buying inspected. We did a home inspection and decided to have the sewer snaked since there are some large trees outside. Home was built in 72'
We went into the clean out in the unfinished basement. Turns out the sewer line is 73'. After we got about 13' into the sewer line until about 44' the camera was completely under water and black. So that is about 31' of pipe that is bellied. Around 12-13' I swore I saw roots. I included a picture. You can see something is touching the water surface. Although, the inspector didn't really mention anything about that spot.
Anyways, if you found this on a home you were looking to buy would you want it remedied before closing?
Yeah, having standing water in the sewer is not good......
Especially that much water. Over time too much chances of materials settling out, not the proper slope.
If I was buying it, probably want it dug up, inspected and relaid to a better slope. Maybe replace it for the money involved.
Sewer could be acting a bit like the first stage of a septic tank, not good from so many angles, probably only get worse with time. I would not accept that condition for my house if I knew about it before hand.
The seller agreed to fix the sewer. The 30' inside the confines of the yard. $5000. Then we get to the sidewalk and we found a high spot in the sewer. Maybe about two inches higher than the sewer from the house. So, that was the belly in the line. The interesting thing was there were no roots in the clay pipe and it was in great shape.
But they had to keep digging to get rid of that highspot. So, that ment digging into the street. Which uped the price.
Now, the pipe is "fixed" and eight feet of dirt is on top of it.
Unfortunattly, the result is not as stellar as I would have hoped. The sewer has very very little grade to it. It doesn't slope much at all.
There really was no way to get grade on the pipe. Although, the city inspector was there and signed off on the design.
I don't feel like I will have any problems with the sewer and it sucks that so much money was spent. At least we fixed the high spot in the pipe. And 43' of new plastic 4" pipe was installed.
They also installed two clean outs right before it goes into the house. One goes towards the main sewer line. And the other bends in towards the house. Then their is the existing one in the unfinished basement.
All and all I feel comfortable about the setup. Not perfect having a nearly flat sewer. But I feel it will do its job.
Most sewer lines are nearly flat. Strange as it sounds, they work better that way, as long as there are no obstructions or valleys to collect sediment.
"The interesting thing was there were no roots in the clay pipe and it was in great shape. "
Told you it looked more like poo. It still needed to be fixed. You did right.
Plastic is the best choice, in my opinion for low-slope installation. Good that you've got ample clean outs... too.
1/4" per foot is what I shoot for... Inspector will sign off on 1/8" here and since plastic is "Slippery" inside... I don't think you will have a problem as long as the pipe has any pitch to the street.
Plastic is the best choice, in my opinion for low-slope installation. Good that you've got ample clean outs... too.
1/4" per foot is what I shoot for... Inspector will sign off on 1/8" here and since plastic is "Slippery" inside... I don't think you will have a problem as long as the pipe has any pitch to the street.
Thanks for posting the follow-up
Yep, on one of my rental houses I had to redo all the sewer line from the house to the street (swapping from clay to plastic) and it's a LOOooong run, about 75' as I recall. I did 1/4" to the foot and it's worked like a charm, no problems in ten years.
All and all I feel comfortable about the setup. Not perfect having a nearly flat sewer. But I feel it will do its job.
I would not worry at all with that. We try to keep the sewer and the underground plumbing within the home at a level 1/8 or less. Now adays a gallon a half flush type toilet- waste will flow better at this grade. If given more water will flow and waste will stay within the line. You should have nothing to worry about.
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